1 files changed, 44 insertions, 0 deletions
diff --git a/ext/digest/digest.gemspec b/ext/digest/digest.gemspec
new file mode 100644
index 0000000000..4a01c5fde1
--- /dev/null
+++ b/ext/digest/digest.gemspec
@@ -0,0 +1,44 @@
+# coding: utf-8
+# frozen_string_literal: true
+
+Gem::Specification.new do |spec|
+  version_module = Module.new do
+    version_rb = File.join(__dir__, "lib/digest/version.rb")
+    module_eval(File.read(version_rb), version_rb)
+  end
+
+  spec.name          = "digest"
+  spec.version       = version_module::Digest::VERSION
+  spec.authors       = ["Akinori MUSHA"]
+  spec.email         = ["knu@idaemons.org"]
+
+  spec.summary       = %q{Provides a framework for message digest libraries.}
+  spec.description   = %q{Provides a framework for message digest libraries.}
+  spec.homepage      = "https://github.com/ruby/digest"
+  spec.licenses      = ["Ruby", "BSD-2-Clause"]
+
+  spec.files = [
+    "LICENSE.txt",
+    "README.md",
+    *Dir["lib/digest{.rb,/**/*.rb}"],
+  ]
+
+  spec.required_ruby_version = ">= 2.5.0"
+
+  spec.bindir        = "exe"
+  spec.executables   = []
+
+  if Gem::Platform === spec.platform and spec.platform =~ 'java' or RUBY_ENGINE == 'jruby'
+    spec.platform = 'java'
+
+    spec.files += Dir["ext/java/**/*.{rb,java}", "lib/digest.jar"]
+    spec.require_paths = %w[lib ext/java/org/jruby/ext/digest/lib]
+  else
+    spec.extensions = Dir["ext/digest/**/extconf.rb"]
+
+    spec.files += Dir["ext/digest/**/{*.{rb,c,h,sh},depend}"]
+    spec.require_paths = %w[lib]
+  end
+
+  spec.metadata["msys2_mingw_dependencies"] = "openssl"
+end